//
//  VisitorLoginView.swift
//  MyBlog
//
//  Created by lvtienan on 15/7/29.
//  Copyright © 2015年 ltn. All rights reserved.
//

import UIKit

 /// 访客视图协议
protocol VisitoeLoginViewDelegate: NSObjectProtocol {
    // 将要登录
    func visitorLoginViewWillLogin()
    // 将要注册
    func visitorLoginViewWillRegister()
}


//访客视图
class VisitorLoginView: UIView {
    
    /// 定义代理. 一定要用 weak
    weak var delegate: VisitoeLoginViewDelegate?
    // MARK: - 按钮的监听方法
    func clickLogin() {
        delegate?.visitorLoginViewWillLogin()
    }
    func clickRegister() {
        delegate?.visitorLoginViewWillRegister()
    }
    
    // MARK: - 界面初始化
    override init(frame: CGRect) {
        super.init(frame: frame)
        setupUI()
    }


    required init?(coder aDecoder: NSCoder) {
        // 禁止使用 sb/xib 使用本类
       // fatalError("init(coder:) has not been implemented")
        super.init(coder: aDecoder)
        setupUI()
    }
    
    // MARK: - 设置视图信息
    func setupViewInfo(isHome: Bool, imageName: String, message: String) {
        
        messageLabel.text = message
        iconView.image = UIImage(named: imageName)
        // 如果是主界面,就不隐藏小房子
        homeIConView.hidden = !isHome
        // 如果是主界面就动画,如果不是就把遮罩弄到最里边
        isHome ? startAnimation() : sendSubviewToBack(maskIconVIew)
        
    }
    
    
    /**
    开始动画
    */
    private func startAnimation() {
        let ani = CABasicAnimation(keyPath: "transform.rotation")
        
        ani.toValue = 2 * M_PI
        ani.repeatCount = MAXFLOAT
        ani.duration = 20.0
        
        // 保证切换界面之后,再次进入动画依然执行
        ani.removedOnCompletion = false
        iconView.layer.addAnimation(ani, forKey: "transform.rotation")
    }
    
    ///设置界面
    private func setupUI() {
        // 添加控件
        addSubview(iconView)
        addSubview(maskIconVIew)
        addSubview(homeIConView)
        addSubview(messageLabel)
        addSubview(registerButton)
        addSubview(loginButton)
        
        // 自动布局
        // iconView
        iconView.translatesAutoresizingMaskIntoConstraints = false
       addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: iconView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: self, attribute: NSLayoutAttribute.CenterY, multiplier: 1.0, constant: -50))
        
        // homeIconView
        homeIConView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: homeIConView, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        homeIConView.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: homeIConView, attribute: NSLayoutAttribute.CenterY, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterY, multiplier: 1.0, constant: 0))
        
        // messagelabel
        messageLabel.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 224))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.CenterX, relatedBy: NSLayoutRelation.Equal, toItem: iconView, attribute: NSLayoutAttribute.CenterX, multiplier: 1.0, constant: 0))
        addConstraint(NSLayoutConstraint(item: messageLabel, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))

        // registerButton
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Left, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Left, multiplier: 1.0, constant: 0))
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: registerButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        //loginButton
        loginButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Right, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Right, multiplier: 1.0, constant: 0))
        registerButton.translatesAutoresizingMaskIntoConstraints = false
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Top, relatedBy: NSLayoutRelation.Equal, toItem: messageLabel, attribute: NSLayoutAttribute.Bottom, multiplier: 1.0, constant: 16))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Width, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 100))
        addConstraint(NSLayoutConstraint(item: loginButton, attribute: NSLayoutAttribute.Height, relatedBy: NSLayoutRelation.Equal, toItem: nil, attribute: NSLayoutAttribute.NotAnAttribute, multiplier: 1.0, constant: 35))
        
        // 遮罩试图
        maskIconVIew.translatesAutoresizingMaskIntoConstraints = false
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("H:|-0-[subview]-0-|", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview":maskIconVIew]))
        addConstraints(NSLayoutConstraint.constraintsWithVisualFormat("V:|-0-[subview]-(-35)-[regButton]", options: NSLayoutFormatOptions(rawValue: 0), metrics: nil, views: ["subview":maskIconVIew,"regButton":registerButton]))
        
        // 设置背景
        backgroundColor = UIColor(white: 237.0/255.0, alpha: 1.0)
    }
    
    
    // MARK: - 懒加载控件
    ///图标
    private lazy var iconView: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "visitordiscover_feed_image_smallicon"))
        return iv
    }()
    
 
    /// 遮罩
    private lazy var maskIconVIew: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "visitordiscover_feed_mask_smallicon"))
        return iv
    }()
    
    ///小房子
    private lazy var homeIConView: UIImageView = {
        let iv = UIImageView(image: UIImage(named: "visitordiscover_feed_image_house"))
        return iv
    }()
    
    ///消息文字
    private lazy var messageLabel: UILabel = {
        let label = UILabel()
        
        label.text = "关注一些人，回这里看看有什么惊喜关注一些人，回这里看看有什么惊喜"
        label.textColor = UIColor.darkGrayColor()
        label.font = UIFont.systemFontOfSize(14)
        label.numberOfLines = 0
        label.sizeToFit()
        
        return label
    }()
    
    ///注册按钮
    private lazy var registerButton: UIButton = {
        let btn = UIButton()
        btn.setTitle("注册", forState: UIControlState.Normal)
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        btn.setTitleColor(UIColor.orangeColor(), forState: UIControlState.Normal
        )
        btn.addTarget(self, action: "clickRegister", forControlEvents: UIControlEvents.TouchUpInside)
        
        return btn;
    }()
    
    ///登录按钮
    private lazy var loginButton: UIButton = {
    
        let btn = UIButton()
        btn.setTitle("登录", forState: UIControlState.Normal)
        btn.setTitleColor(UIColor.darkGrayColor(), forState: UIControlState.Normal)
        btn.setBackgroundImage(UIImage(named: "common_button_white_disable"), forState: UIControlState.Normal)
        btn.addTarget(self, action: "clickLogin", forControlEvents: UIControlEvents.TouchUpInside)
        return btn
    }()
}





















